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Finding the Fourth Proportional to 23,385.84, 35,078.79 and 7,803.48

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Solution

The fourth proportional to 23,385.84, 35,078.79 and 7,803.48 is: 11,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.84 : 35,078.79 = 7,803.48 : x
  2. Step 2: Convert to fraction form
    23,385.84/35,078.79 = 7,803.48/x
  3. Step 3: Cross multiply
    23,385.84x = 35,078.79 × 7,803.48
  4. Step 4: Simplify right side
    23,385.84x = 273,736,636.19
  5. Step 5: Solve for x
    x = 273,736,636.19/23,385.84
  6. Step 6: Final answer
    x = 11,705.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.